Note: This is an archival copy of Security Sun Alert 253608 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com
as Sun Alert 1020175.1.

A Security Vulnerability in the Solaris SCTP Packet Processing may Lead to a System Panic Resulting in a Denial of Service (DoS)

CategorySecurity

Release PhaseResolved

Bug Id
6766767

ProductSolaris 10 Operating System
OpenSolaris

Date of Resolved Release15-Jul-2009

A security vulnerability in the Solaris SCTP packet processing may lead to a system panic:

1. Impact

A security vulnerability in Solaris 10 SCTP packet processing (see
sctp(7P)) may allow a privileged remote user to panic the system,
resulting in a Denial of Service (DoS).

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform

Solaris 10 without patch 141414-01

OpenSolaris based upon builds snv_01 through snv_119

x86 Platform

Solaris 10 without patch 141415-01

OpenSolaris based upon builds snv_01 through snv_119

Note 1: Solaris 8 and Solaris
9 are not impacted by this issue.

Note 2: OpenSolaris
distributions may include additional bug fixes above and beyond the
build from which it was derived. To determine the base build of
OpenSolaris, the following command can
be used:

$ uname -v snv_86

3. Symptoms

If the described issue is exploited to cause a Denial of Service (DoS),
the system may panic with a stack trace
similar to the following:

sctp_got_sack sctp_input_data sctp_input ip_sctp_input ... ...

4. Workaround

There is no workaround for this issue. Please see the Resolution
section below.5. Resolution

This issue is addressed in the following releases:

SPARC Platform

Solaris 10 with patch 141414-01 or later

OpenSolaris based upon builds snv_120 or later

x86 Platform

Solaris 10 with patch 141415-01 or later

OpenSolaris based upon builds snv_120 or later

For more information
on Security Sun Alerts, see 1009886.1.

This Sun Alert notification is being provided
to you on
an "AS IS"
basis. This Sun Alert notification may contain information provided by
third parties. The issues described in this Sun Alert notification may
or may not impact your system(s). Sun makes no representations,
warranties, or guarantees as to the information contained herein. ANY
AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU
ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT
OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This
Sun Alert notification contains Sun proprietary and confidential
information. It is being provided to you pursuant to the provisions of
your agreement to purchase services from Sun, or, if you do not have
such an agreement, the Sun.com Terms of Use. This Sun Alert
notification may only be used for the purposes contemplated by these
agreements.
Copyright 2000-2009 Sun Microsystems, Inc., 4150 Network Circle,
Santa
Clara, CA 95054 U.S.A. All rights reserved.